import java.util.Scanner;

public class L5 {
    public static void main(String []args){
        Scanner in =new Scanner(System.in);
        System.out.println("输入公里数：");
        int km = in.nextInt();
        if(0<=km&&km<=10){
            System.out.println("路费为10元");
        }
        if(11<=km&&km<=50){
            System.out.println("路费为50元");
        }
        if(51<=km&&km<=100){
            System.out.println("路费为100元");
        }
        if(km>=100){
            System.out.println("路费为200元");
        }
    }
}
